# 作者:侯征
import copy

names=["侯征","姚振","崔杰","何毅","李士彪"]
#二维列表
school=[["北京化工大学","北京邮电大学"],["武汉工程大学","湖北经济学院"]]

#浅拷贝,二维只拷贝地址
'''
school_copy=school.copy()
print(school_copy)
print("==========================")

school[0][0]="对外贸易经济大学"
print(school_copy)
'''

#深拷贝,值也拷贝,所以不会改变
school_deep_copy=copy.deepcopy(school)
print(school_deep_copy)

print("========")

school[0][0]="哈哈哈"
print(school)
print(school_deep_copy)